I was planning on making a high pressure airsoft "rifle" at some point also. I was going to use a 3 foot length of 9/32" brakeline as a barrel, and probably a 3/4" x 6" steel nipple as the chamber. If you don't want the barrel to bend at all, I just sleeve it into 5/16" brass brakeline, so it's double layered.

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brass brakeline? would it be caried at autozone or napa? because there is two major auto parts stores near me (autozone and napa) but there is also a local one that i can walk to is this stuff special or would they have it?

I don't usually go to autoparts stores for m brakeline, my local Ace hardware has a bunch of large tubes with a specific size of brakline in those. I think 5/16" would sleeve into 3/8," it should be 11/32" but I don't think they make that size.

oo ace has them? there is two ace stores near me...burkes ace, and some other name i cant remember right now...ill check my local hardware store and the local auto parts store to see waht tehy have first though..

to push a bb to around 400 fps you would only need about 4" of 1" diameter pipe at about 120 psi if you are using a QEV, if you use a vortex gun, it does not need to be fired in full auto, just short bursts. when you play airsoft, a regular spring sniper is at an enormous disadvantage, because they need to cock between esch shot. think about how much you will be if you load 1 bb at a time and then use a pump. make a strafer, you wont regret it

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in the upcoming presidential election, there will be several candidates who will be running, one of whom is Hillary Clinton. Now WAIT A SECOND!!! I though there was some sort of rule that prevented someone from serving more than two terms in office. Vote Against Hillary: Presidential Elections 08

beebs u dont undderstand that i want a single shot gun...i have already made a bbmg...i wasnt able to recover the bbs andi do not want to waste so many as they are very expensive around here..i will not be playing airsoft with this gun...

aaah, well then, i like the idea for plinking. if it turns out that you can use a smaller air supply, then it will be as simple as going to the store and getting a smaller length of metal pipe, no cementing

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in the upcoming presidential election, there will be several candidates who will be running, one of whom is Hillary Clinton. Now WAIT A SECOND!!! I though there was some sort of rule that prevented someone from serving more than two terms in office. Vote Against Hillary: Presidential Elections 08

House the whole gun in steel if you don't like PVC 1/2in would work fine. I'm biulding my BBMG out of steel pipe. The protective shrouds don't need to touch the barrel just protect it.

And for questions like how big is such and such in mm IT TAKES A 2 SECOND GOOGLE SEARCH!!! We don't have to do all your work for you, look through finished cannons and find out what other people have been using. AFTER you FINISH looking THEN ask questions if there is something you still want to know.

since you are using metal parts, if there is anything about your gun that you dont like, you can jsut buy a new piece and screw it on, unlike pvc where it would be all solavent welded

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in the upcoming presidential election, there will be several candidates who will be running, one of whom is Hillary Clinton. Now WAIT A SECOND!!! I though there was some sort of rule that prevented someone from serving more than two terms in office. Vote Against Hillary: Presidential Elections 08

House the whole gun in steel if you don't like PVC 1/2in would work fine. I'm biulding my BBMG out of steel pipe. The protective shrouds don't need to touch the barrel just protect it.

And for questions like how big is such and such in mm IT TAKES A 2 SECOND GOOGLE SEARCH!!! We don't have to do all your work for you, look through finished cannons and find out what other people have been using. AFTER you FINISH looking THEN ask questions if there is something you still want to know.

i know it doesnt need to touch...

google doesnt work on my comp right now...and i did search it on yahoo.

the we dont have to do your work comment...that was un called for and idiotic

i did look at what people have been using and i havent found to many not using pvc so i wanted ask idiot...

yea i did ask after i finished looking..

u have no right to say anything to me as u have no clue what you are talking about...

if i were you, i would get some 3/4 inch PVC and wrap some duct tape around the inner barrel and slide the 3/4 inch over it (thats what i do) but you want metal............

if i were you, id get 3 feet of 1/4 inch Galvanized Steel Piping. it fits perfectly around real airsoft barrels............... i dont know if ur using a real airsoft barrel or brakeline but a little duct tape will solve the fit problems

if you have 3 feet of airsoft barrel it contains about 26 cubic inches of air, and 10 inches of 1 inch pipe is aobut 31 cubic inches, so i guess that chamber size seems perfect. just a little out of proportion in the picture........

also, if you want accuracy, get a stock. i reccomend searching airsoft fourums for broken airsoft sniper rifles. not only will you get a nice stock, you will also get a REALLY LONG tightbore barrel and an adjustable hop-up system. for airsoft sniping, a good hop-up= your friend.